Unreal Engine Issues

Ensure condition failed: Play an animation in the finished animation event called from UUserWidget::StopAllAnimation

If a widget has playing animation node in finished animation event, calling StopAllAnimations appends a new UMGSequncePlayer to ActiveSequencePlayers array during array iteration and cause ensure co ...

References to Data Assets that inherit from Blueprints may be broken during reinstancing

It is possible to create new Data Asset instances in the editor that inherit from a blueprint-defined subclass of UDataAsset. This flow is not very well supported, and generally it is safer to just ...

Persistent Local Booleans do not serialize with CPF_SaveGame

A persistent local boolean will not serialize even though it is marked with CPF_SaveGame, when other types will (such as an integer).  [Image Removed] [Image Removed] ...

Particle Data Exports only work in the final simulation stage

Particle data will not be exported unless it is in the final simulation stage. ...

Editor crash with virtual texture lightmaps enabled

Using Do Not Create Material in FBX import settings seems to result in only one Material Slot

The licensee reported the following on this issue. The problem seems to be that the comparison below is not working properly. If the Material is not created, it will be a comparison between WorldGr ...

Material PlatformStats Android GLES&Vulkan Pixel Shader Row is empty

I think it's caused by mismatching names of shadertype, which was hand-coded in MaterialStatsCommon.cpp ...

Runtime Virtual Texture Volume does not update correctly after World Origin shifting

Making a hidden level the current level changes tile position in World Composition

Regression: External owned Spawnable object disappears when the sequencer movie is finished.

Regression: external owned spawned actors stays in 4.25 & 4.25 plus but it is removed from 4.26P5, 4.26P6, 4.26P7 ...